A year after achieving its independence, South Sudan is wracked by instability and concerns over the frailties of its fledgling government. A refugee crisis, sparked by neighboring Sudan's brutal crackdown on rebel militias north of the border, has led to tens of thousands fleeing to shoddy, makeshift camps in an impoverished, war-torn land.

Sudanese refugees are moved towards transport evacuating them from Jamam refugee camp, South Sudan, July 15, 2012. Up to 16,000 refugees are in the process of being relocated due to flooding caused by rains.

A year after achieving its independence, South Sudan is wracked by instability and concerns over the frailties of its fledgling government. A refugee crisis, sparked by neighboring Sudan’s brutal crackdown on rebel militias north of the border, has led to tens of thousands fleeing to shoddy, makeshift camps in an impoverished, war-torn land.